Looking to run a few IP cameras at my abode. Currently I use Panasonic IP cameras that provide an easy set up log-in but I have been looking at outside cams and Panasonic are a bit pricey. A static DNS would be a good option but I hear this can be a security problem. My other route would be configuring the cams over a third party DNS but being a cheap skate I'm looking for free stuff or cheap at least. Any suggestions?